sreeramulu, Diguvinti, SM Saifullah Quraishi, Harish PV, and C Ravi Theja. 2014. “Mickey Mouse Sign and Humming Bird Sign: Diagnostic Clue of Progressive Supranuclear Palsy”. International Journal of Medical Research and Review 2 (5), 504-6. https://doi.org/10.17511/ijmrr.2014.i05.16.